期刊
SYMMETRY-BASEL
卷 13, 期 7, 页码 -出版社
MDPI
DOI: 10.3390/sym13071169
关键词
quantum walk; survival probability; attractor eigenspace; dressed photon
资金
- Japan Society for the Promotion of Science [JP19K03616]
- MSMT [RVO 14000]
- project Centre for Advanced Applied Sciences - Operational Programme Research, Development and Education [CZ.02.1.01/0.0/0.0/16_019/0000778]
- European Structural and Investment Funds
- state budget of the Czech Republic
- Research Origin for Dressed Photon
The paper explores the survival probability of Grover walks with sinks and their connection to Grover walks with tails, showing that the relationship between them can be described using eigenspaces.
We connect the Grover walk with sinks to the Grover walk with tails. The survival probability of the Grover walk with sinks in the long time limit is characterized by the centered generalized eigenspace of the Grover walk with tails. The centered eigenspace of the Grover walk is the attractor eigenspace of the Grover walk with sinks. It is described by the persistent eigenspace of the underlying random walk whose support has no overlap to the boundaries of the graph and combinatorial flow in graph theory.
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